IPv6 Subnet Calculator
Calculate IPv6 subnet range and total available addresses
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📊 Result Chart
About IPv6 Subnet Calculator
IPv6 Subnet Calculator is a free online tool. Calculate IPv6 subnet range and total available addresses Works on mobile and desktop, all calculations run locally in your browser for privacy.
IPv6 Subnet Calculator in 3 steps
- Enter IPv6 prefix length (e.g. 64)
- Enter subnet prefix length (e.g. 72)
- Click "Calculate" to see subnet count and host count
Is this tool accurate?
Results are computed with standard, industry-accepted formulas for Prefix Length and Network Bits calculations.
Do I need to download anything?
No, it runs entirely in your browser. No downloads needed.